1151305452 has 108 divisors (see below), whose sum is σ = 3289014456. Its totient is φ = 336752640.

The previous prime is 1151305439. The next prime is 1151305453. The reversal of 1151305452 is 2545031511.

1151305452 is a `hidden beast` number, since 115 + 1 + 3 + 0 + 545 + 2 = 666.

1151305452 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1151305453) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 331308 + ... + 334764.

Almost surely, 2^1151305452 is an apocalyptic number.

1151305452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151305452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1644507228).

1151305452 is an abundant number, since it is smaller than the sum of its proper divisors (2137709004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151305452 is a wasteful number, since it uses less digits than its factorization.

1151305452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536 (or 3502 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1151305452 is about 33930.8922959594. The cubic root of 1151305452 is about 1048.0858404815.

Adding to 1151305452 its reverse (2545031511), we get a palindrome (3696336963).

It can be divided in two parts, 1151 and 305452, that added together give a palindrome (306603).

The spelling of 1151305452 in words is "one billion, one hundred fifty-one million, three hundred five thousand, four hundred fifty-two".